Difference between revisions of "One-liners"

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==Useful (mostly) bash one-liners==
==Useful (mostly) bash one-liners==


* Perl regular-expression for removing all tags after the initial: perl -pe 's/(\^[^<]+<[^>]+>)(<\w+>)*\$/\1\$/g;'
* Perl regular-expression for removing all tags after the initial:

<pre>
perl -pe 's/(\^[^<]+<[^>]+>)(<\w+>)*\$/\1\$/g;'


^Lemma<V><Pres><Sg>$ -> ^Lemma<V>$
^Lemma<V><Pres><Sg>$ -> ^Lemma<V>$
</pre>

* Get unknown words from chunked text and sort by frequency:

<pre>
sed 's/\$\W*\^/$\n^/g' | grep '@' | sed 's/><.*/>$/g' | sort -f | uniq -ci | sort -gr
</pre>

<pre>
tr " " "\n" | grep "@" | tr -d "[:punct:]" | sort | uniq -c | sort -r
</pre>

* Strip newlines:

<pre>
sed ':a;N;$!ba;s/\n//g'
</pre>


Alternatively: <code>tr '\n' ' '</code>
* Get unknown words from chunked text and sort by frequency: sed 's/\$\W*\^/$\n^/g' | grep '@' | sed 's/><.*/>$/g' | sort -f | uniq -ci | sort -gr
[[Category:Tools]]

Latest revision as of 06:24, 27 June 2010

Useful (mostly) bash one-liners[edit]

  • Perl regular-expression for removing all tags after the initial:
perl -pe 's/(\^[^<]+<[^>]+>)(<\w+>)*\$/\1\$/g;'

^Lemma<V><Pres><Sg>$ -> ^Lemma<V>$
  • Get unknown words from chunked text and sort by frequency:
sed 's/\$\W*\^/$\n^/g' | grep '@' | sed 's/><.*/>$/g' |  sort -f | uniq -ci  | sort -gr
tr " " "\n" | grep "@" | tr -d "[:punct:]" | sort | uniq -c | sort -r
  • Strip newlines:
sed ':a;N;$!ba;s/\n//g'

Alternatively: tr '\n' ' '